Merge branch '4.0' into 4.1

* 4.0:
  [SecurityBundle] update conflict rule
  fix class existence
  fix tests
  fixed constraints
  fixed constraints
  bumped dep
  bumped dep

src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/Compiler/AddSecurityVotersPassTest.php

@@ -88,3 +88,10 @@ class AddSecurityVotersPassTest extends TestCase
         $compilerPass->process($container);
     }
 }
+
+class VoterWithoutInterface
+{
+    public function vote()
+    {
+    }
+}

src/Symfony/Bundle/SecurityBundle/composer.json

@@ -44,7 +44,7 @@
         "twig/twig": "~1.34|~2.4"
     },
     "conflict": {
-        "symfony/security": "4.1.0-beta1",
+        "symfony/security": "4.1.0-beta1,4.1.0-beta2",
         "symfony/var-dumper": "<3.4",
         "symfony/event-dispatcher": "<3.4",
         "symfony/framework-bundle": "<4.1",